Qt c++ open && ioctl

Hi i need some help

Code:

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if((fd = open("/dev/sda",O_RDONLY)) < 0)

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Code:

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if((err = ioctl(fd,HDIO_GET_IDENTITY,&hd)) < 0)

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headers

Code:

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#include <linux/types.h>
#include <linux/hdreg.h>
#include <linux/fcntl.h>

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Code:

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error: 'open' was not declared in this scope

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Code:

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error: 'ioctl' was not declared in this scope

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What's the problem ?

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Added after 1 33 minutes:

up up up up up up

Hello,

try the following includes:

Code:

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#include <sys/types.h>
#include <linux/hdreg.h>
#include <sys/ioctl.h>
#include <fcntl.h>

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Regards
ars

Okay it's work thanks for answer ars :)

The required headers for system calls are documented in Section 2 of the manual pages

Code:

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$ man 2 open
$ man 2 ioctl

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You might also learn patience, especially since you are asking a generic C programming question in a Qt-specific forum.